HC-020K Double Speed Measuring Sensor with Photoelectric Encoders Kit top For arduino Tacho Slot-type Optocoupler Counter Module

$0.50

DC 3.3V 5V 0-40KPa Pressure Sensor Module Connect 2.5mm Soft Tube Digital Liquid Water Level Controller Board For Arduino

$0.52

Infrared Reflective Sensor TCRT5000 3-way Tracing/tracking Module Line Patrol Obstacle Avoidance Car Robot Sensor Module

$0.53

TZT 10A Photoswitch Sensor Switch Auto On Off Photocell Street Light Control Universal 220V Automatic Sensor Home Accessories

$0.55

TZT Sensor Pressione MD-PS002 150KPaA Vacuum Sensor Pressure Sensor for Arduino

$0.56

TZT INA226 IIC I2C interface Bi-directional current/Power monitoring sensor module For Arduino

$0.58

TZT Water Vapor Sensor Rain Detector Liquid Level Switch Humidity Sensor For Arduino / Raspberry pie

$0.58

TZT 52mm PP Liquid Water Level Sensor Horizontal Float Switch Down For Arduino

$0.58

Active Single Phase Voltage Transformer Module AC Output Voltage Sensor for Arduino Mega ZMPT101B 2mA

$0.59

TZT MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

$0.60

TZT F233-01 Four-way infrared tracing / 4 channel tracking module / transmission line / obstacle avoidance / car / robot sensors

$0.61

TZT High Precision AM2302 DHT22 Digital Temperature & Humidity Sensor Module For arduino Uno R3

$0.61

TZT DHT22 Digital Temperature and Humidity Sensor AM2302 Module+PCB with Cable For Arduino

$0.61

TZT SN04-N SN04-N2 DC NPN PNP NO NC 4MM DC 10-30V SN04 Inductive Proximity Sensor Detection Switch For arduino

$0.61

TZT ADS1115 16 Bit I2C Module Precision ADC 4 Channel Development Board Pro Gain Amplifier 2.0V to 5.5V for Arduino RP

$0.62

TZT CJMCU-103 Rotary Angle Sensor SMD Dust-Proof Angle Sensing Potentiometer Module SV01A103AEA01R00

$0.62

DC 220V Liquid Water Level Sensor Right Angle Float Switch Mini Float Switch Contains for Fish Tank Switchs sensors

$0.62

TZT 1pair Infrared tube Transmissive Correlation photoelectric switch Infrared sensor QT30CM Detection distance for arduino

$0.65

TZT 8-15M LV002 Doppler Radar Microwave Sensor Switch Module DC 6-40V Radar Detector Sensor Board for Yard Occasion Corridor Hallw

$0.65

TZT 1Pcs Tank Pool Horizontal Water Level Switch Liquid Level Sensor Liquid PP Plastic Ball Float Switch For Arduino

$0.65